Fluid heater



FIG. 1 is a first side elevation view of the fluid heater showing my new design. The broken lines shown in FIG. 1 are for illustrative purposes only and form no part of the claimed design.

FIG. 2 is a top plan view of that seen in FIG. 1. The broken lines shown in this view are for illustrative purposes only and form no part of the claimed design.

FIG. 3 is a bottom plan view of that seen in FIG. 1. The broken lines shown in this view are for illustrative purposes only and form no part of the claimed design.

FIG. 4 is a second side elevation view taken from a position, which is 90° offset from that seen in FIG. 1. The broken lines shown in this view are for illustrative purposes only and form no part of the claimed design.

FIG. 5 is a third side elevation view of the fluid heater, taken from a position, which is 180° offset from that seen in FIG. 1. The broken lines shown in this view are for illustrative purposes only and form no part of the claimed design; and,

FIG. 6 is a fourth side elevation view of the fluid heater, of the present design, and which is taken from a position opposite to that seen in FIG. 1. The broken lines shown in this view are for illustrative purposes only and form no part of the claimed design. 

We claim the ornamental design of a fluid heater, showing our new design. 